docs/source/_static/scss/includes/_layout.scss

:root {
    --content-padding: 1.75rem;
  
    @include breakpoint-max(breakpoints(lg)) {
      --content-padding: 1.25rem;
    }

    &.locked {
        &,
        body,
        .content {
            overflow: hidden;
        }
    }
}

.content {
    flex: 1;

    @include breakpoint-min(breakpoints(lg)) {
		& > .container {
            display: flex;
        }
	}
}

.content__main {
    flex: 1;
    min-width: 0;
    padding: var(--content-padding);
}

.container { 
    margin: 0 auto;
    padding: 0 var(--content-padding);
    width: 100%;
}

:root {
    &:not(.read-mode) {
        .container {
            max-width: $container-width;
        }
    }

    &.read-mode {
        .content {
            @include breakpoint-min(breakpoints(lg)) { 
                overflow: auto;
                scroll-behavior: smooth;
                scroll-padding: 2rem;
            }

            & > .container {
                padding-inline: 0;
            }
        }
    }
}

// Keep only the main content when the page is loaded inside an iframe.
// Currently we load certain pages inside iframes for PathFactory analytics.
.inside-iframe {
    .header,
    .sidebar {
        display: none;
    }

    .content {
        height: 100vh;
    }

    .content__main {
        padding-left: var(--content-padding);
    }
}